The Allen-Bradley 1756-A17 ControlLogix chassis by Rockwell Automation has 17 slots for flexible system configuration. With a conformal coating for added protection, it supports both 5V DC at 10 amps and 24V DC at 2.8 amps. This open-style, horizontal-mount chassis is ideal for scalable industrial control systems, measuring 30 x 36 x 8 inches and weighs 4.8 pounds. Manufacturer Rockwell Automation Brand Allen-Bradley Part Number/Catalog No. 1756-A17 Series ControlLogix Module Type Chassis Slots 17 Power Dissipation (Max) 6 Watts Mounting Horizontal Dimensions 30 x 36 x 8 inches Weight 4.8 pounds (2.2 kilograms) Enclosure Open Backplane Current (5 Volts DC) 10 amps Backplane Current (24 Volts DC) 2.8 Amps Coating Conformal Coat